iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

pinctrl: renesas: r8a7794: Add range checking to .pin_to_pocctrl()

Browse Source 
The .pin_to_pocctrl() implementation for R-Car E2 does not perform a
full range check, unlike on all other SoCs.  Add the range check, so the
checker can validate better the consistency of the pin control tables.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/d23767ad7152327654192d7191f4b8ae19493966.1640269510.git.geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven 2021-12-23 15:28:20 +01:00
parent 2e08ab0427
commit efe80cdfab
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/pinctrl/renesas/pfc-r8a7794.c
View File

@ -5623,6 +5623,9 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
static int r8a7794_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)
{
if (pin < RCAR_GP_PIN(6, 0) || pin > RCAR_GP_PIN(6, 23))
return -EINVAL;
*pocctrl = 0xe606006c;
switch (pin & 0x1f) {